Synchrotron X—Ray Study on Structures of Ni80Fe20／Cu Superlattices

• 作者: XUMing 吴忠华 杨涛 柴春林 王德武 罗光明 赖武彦 麦振洪
• 来源期刊: 北京同步辐射装置：英文版
• 学科: 物理学
• 关键词: X射线分析 微观结构 原子分布 Ni80Fe20/Cu超晶格 晶体生长
• 年，卷（期）: 2001,（2）
• 页码范围: 76-78
• 页数: 3页
• 分类号: O733.1

摘要

We have shown that,in contrast to the results in the literature,the Bragg peak intensity of Ni80Fe20/Cu superlattices is enhanced at the incident x-ray energy slightly higher than the absorption edge of the heavier element(Cu).The atomic density at Ni80Fe20/Cu interface was analysed by the diffraction anomalous fine structure technology with the incident angle of x-ray fixed at the first Bragg peak.Our results demonstrate the epitaxy growth of Ni80Fe20/Cu superlattices.Upon annealing,the epitaxity of Ni80Fe20/Cu multilayers becomes poor but the local crystallinity in each layer is improved.